Discussion:
[frameworks-plasma] [Bug 391821] New: Icon of mobile broadband network is sometimes wrong
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Petr Nehez
2018-03-13 14:48:39 UTC
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https://bugs.kde.org/show_bug.cgi?id=391821

Bug ID: 391821
Summary: Icon of mobile broadband network is sometimes wrong
Product: frameworks-plasma
Version: 5.43.0
Platform: Manjaro
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: libplasma
Assignee: ***@gmail.com
Reporter: ***@gmail.com
Target Milestone: ---

Created attachment 111368
--> https://bugs.kde.org/attachment.cgi?id=111368&action=edit
network-folder

I use Papirus icon pack on Manjaro (community/papirus-icon-theme) but sometimes
broadband icon is wrong - it shows network folder instead.

It happens rarely ONLY with broadband network - neither with Wifi or with LAN.

When I was using Kubuntu I have never met such issue.
Since the time I started to use Manjaro KDE I sometimes face this issue.
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Nate Graham
2018-03-13 15:33:51 UTC
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Nate Graham <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@kde.org
Status|UNCONFIRMED |NEEDSINFO
Resolution|--- |WAITINGFORINFO

--- Comment #1 from Nate Graham <***@kde.org> ---
Does the issue reproduce using standard Breeze icons?
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Petr Nehez
2018-03-13 17:23:05 UTC
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--- Comment #2 from Petr Nehez <***@gmail.com> ---
Created attachment 111375
--> https://bugs.kde.org/attachment.cgi?id=111375&action=edit
network-folder-ubuntu

When I set Breeze, I had even no icon there.

And when I set Ubuntu icons, I had network folder there as well.
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Petr Nehez
2018-03-13 17:23:58 UTC
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--- Comment #3 from Petr Nehez <***@gmail.com> ---
Created attachment 111376
--> https://bugs.kde.org/attachment.cgi?id=111376&action=edit
network-folder-breeze

This is screenshot with empty icon...
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Petr Nehez
2018-03-13 17:26:17 UTC
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--- Comment #4 from Petr Nehez <***@gmail.com> ---
Strange thing is that icons of plasmoids have not been updated.
I deleted cache, restarted system...
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Nate Graham
2018-03-13 17:39:56 UTC
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Nate Graham <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDSINFO |UNCONFIRMED
Resolution|WAITINGFORINFO |---

--- Comment #5 from Nate Graham <***@kde.org> ---
Thanks for the info.
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Petr Nehez
2018-03-13 20:00:44 UTC
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--- Comment #6 from Petr Nehez <***@gmail.com> ---
Created attachment 111384
--> https://bugs.kde.org/attachment.cgi?id=111384&action=edit
network-folder-breeze-2

I changed Look & Feel theme to Breeze Dark because I forgot that plasmoid icons
are driven by that but as you can see there is the same issue.
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Petr Nehez
2018-03-14 07:14:43 UTC
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--- Comment #7 from Petr Nehez <***@gmail.com> ---
Created attachment 111388
--> https://bugs.kde.org/attachment.cgi?id=111388&action=edit
lan-network

I am now connected via LAN and the icon is with red circle.

I was connecting & disconnecting to LAN and/or WiFi because I had some issue
with the specific WiFi and after disconnecting from WiFi it ended up with this
crossed LAN icon.
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Christoph Feck
2018-03-30 15:42:06 UTC
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Christoph Feck <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Product|frameworks-plasma |plasma-nm
Version|5.43.0 |5.12.3
Assignee|***@gmail.com |***@redhat.com
CC| |***@gmail.com
Component|libplasma |general

--- Comment #8 from Christoph Feck <***@kde.org> ---
Not sure where to reassign to, but I guess plasma-nm developers and VDG team
can coordinate this.
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Petr Nehez
2018-03-30 17:24:26 UTC
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--- Comment #9 from Petr Nehez <***@gmail.com> ---
If anybody wants a help I am here as it annoys me.
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Petr Nehez
2018-05-01 17:41:46 UTC
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Petr Nehez <***@gmail.com> changed:

What |Removed |Added
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CC| |plasma-***@kde.org
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Petr Nehez
2018-05-01 17:43:12 UTC
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--- Comment #10 from Petr Nehez <***@gmail.com> ---
Is here anybody who could fix this issue?
I can be helpful on it...
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Jan Grulich
2018-05-14 11:37:29 UTC
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Jan Grulich <***@redhat.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@redhat.com

--- Comment #11 from Jan Grulich <***@redhat.com> ---
This seem to be a problem in theme, I would change Plasma theme to "Breeze
dark", just the theme, no need to change Look & Feel completely and restart
plasmashell.
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Petr Nehez
2018-05-14 11:45:59 UTC
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--- Comment #12 from Petr Nehez <***@gmail.com> ---
OK, I have changed the theme and will be watching it.
But the weird thing is that sometimes the icon is correct but in most cases
it's not.
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Petr Nehez
2018-05-14 16:50:30 UTC
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--- Comment #13 from Petr Nehez <***@gmail.com> ---
Created attachment 112648
--> https://bugs.kde.org/attachment.cgi?id=112648&action=edit
network-with-breeze

It seemed OK with Breeze theme until I was on EDGE with VPN and after
disconnecting of VPN the network icon was shown.
But after a while when I was preparing this screenshot it got fixed to correct
mobile network icon (most likely due to a change from EDGE to 4G/LTE).
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Jan Grulich
2018-05-15 06:10:10 UTC
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--- Comment #14 from Jan Grulich <***@redhat.com> ---
If I provide a patch adding some debug information, would you be able to
compile plasma-nm with it?
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Petr Nehez
2018-05-15 06:21:55 UTC
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--- Comment #15 from Petr Nehez <***@gmail.com> ---
I would try that although I have not compiled any regular package yet.

I am on Manjaro where my plasma-nm is 5.12.5 so I guess I should clone
https://cgit.kde.org/plasma-nm.git/log/?h=Plasma/5.12 and then apply a patch?
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Petr Nehez
2018-05-15 06:45:29 UTC
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--- Comment #16 from Petr Nehez <***@gmail.com> ---
OK, I cloned the repo and could compile plasma-nm with this cmake command:

cmake ../ -DCMAKE_INSTALL_PREFIX=/usr

I did not try to install it yet so I can try your patch.
Hopefully my system won't break then 'cause I would break my working env :)
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Jan Grulich
2018-05-15 08:21:12 UTC
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--- Comment #17 from Jan Grulich <***@redhat.com> ---
Created attachment 112661
--> https://bugs.kde.org/attachment.cgi?id=112661&action=edit
Patch adding some debug information

Apply please attached patch. Then please follow information from here
https://techbase.kde.org/Projects/Solid/Plasma-nm, specifically part with
QT_LOGGING_CATEGORY.
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Petr Nehez
2018-05-15 08:25:24 UTC
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--- Comment #18 from Petr Nehez <***@gmail.com> ---
I don't see anything about QT_LOGGING_CATEGORY there.
Did you mean QT_LOGGING_RULES?
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Jan Grulich
2018-05-15 08:26:27 UTC
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--- Comment #19 from Jan Grulich <***@redhat.com> ---
Yes, sorry for confusion.
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Petr Nehez
2018-05-16 09:55:53 UTC
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--- Comment #20 from Petr Nehez <***@gmail.com> ---
I compiled it with the applied patch,d added "export
QT_LOGGING_RULES=plasma-nm*.debug=true" into my .profile file and restarted my
system.

Could you help me now where I should see log output?
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Jan Grulich
2018-05-16 10:20:53 UTC
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--- Comment #21 from Jan Grulich <***@redhat.com> ---
You have to open a terminal and restart plasmashell from there, I usually do
"killall plasmashell" and then you can just run "plasmashell", then you should
get debug output from plasma-nm. It's described also in the link I sent you
before.
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Petr Nehez
2018-05-17 09:06:31 UTC
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--- Comment #22 from Petr Nehez <***@gmail.com> ---
Created attachment 112701
--> https://bugs.kde.org/attachment.cgi?id=112701&action=edit
bad-icon.log

It took me a while to replicate it but finally I got the bad icon.

Could it be caused that the modem driver is not responding with the correct
signal value?
As you can see there are only 0 values.
I can tell you that the real signal is over 90, in the previous logs I could
see the value 93, but that value appeared when I disconnetced and connected to
the modem several times.

And what about the icon "network-mobile-0-lte-limited"?
Isn't it that issue?
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Petr Nehez
2018-05-17 09:11:28 UTC
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--- Comment #24 from Petr Nehez <***@gmail.com> ---
And when I connected to VPN (a lock appeared on a modem icon) and then
disconnected it, the icon changed to 0-signal modem icon.
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Petr Nehez
2018-05-17 09:09:23 UTC
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--- Comment #23 from Petr Nehez <***@gmail.com> ---
I forgot to mention that the connection is working fine when it reports
Signal=0.
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Jan Grulich
2018-05-28 10:24:10 UTC
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Jan Grulich <***@redhat.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
Attachment #112661|0 |1
is obsolete| |

--- Comment #25 from Jan Grulich <***@redhat.com> ---
Created attachment 112923
--> https://bugs.kde.org/attachment.cgi?id=112923&action=edit
Patch adding some debug information

Can you please try this patch with more debug information. I still have no idea
why this is happening.
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Petr Nehez
2018-05-29 05:08:11 UTC
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--- Comment #26 from Petr Nehez <***@gmail.com> ---
I applied the patch to the master branch and installed the package.

I think the issue is noticeable in areas with weak signal so when I am
travelling with the train I will be testing it.

Now when I am in the office and the mobile signal is strong and I play with
connecting & disconnecting to/from LAN and/or Wifi and/or mobile I am not able
to replicate the issue. I will let you know.
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Petr Nehez
2018-05-31 04:38:06 UTC
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--- Comment #27 from Petr Nehez <***@gmail.com> ---
I was trying to replicate the issue again but unfortunately my modem was not
reporting "limited" or "zero" signal for few days what I could see so far.

Isn't the real issue that there are no icons for the suffix "-limited"?
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Petr Nehez
2018-05-31 04:42:51 UTC
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--- Comment #28 from Petr Nehez <***@gmail.com> ---
I am running Plasma with the patched plasma-nm package already for 2 days (with
few suspend & resume actions every day) and when I was on modem connection only
(in a train) I spent approx 1 hour trying to replicate the issue.

It could be just an issue of my modem which was reporting wrong signal value or
an issue of the driver, who knows?
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Petr Nehez
2018-06-07 12:09:40 UTC
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--- Comment #29 from Petr Nehez <***@gmail.com> ---
Created attachment 113132
--> https://bugs.kde.org/attachment.cgi?id=113132&action=edit
plasma-log-limited

Finally after few days I've got the icon for limited signal.
See the attached log.
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Petr Nehez
2018-06-07 12:16:45 UTC
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--- Comment #30 from Petr Nehez <***@gmail.com> ---
Created attachment 113133
--> https://bugs.kde.org/attachment.cgi?id=113133&action=edit
plasma-log-limited-2

And what is strange that the icon in the plasmoid was not change even I could
see in the terminal that modem is reporting signal strength at 60%.
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